111 lines
4.5 KiB
CMake
111 lines
4.5 KiB
CMake
include(CMakeDependentOption)
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cmake_minimum_required(VERSION 3.1)
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project(rexbacklight)
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set(SCRIPT_DIR ${CMAKE_SOURCE_DIR}/scripts)
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#set project include directory
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set(INCLUDE_PATH ${CMAKE_SOURCE_DIR}/include)
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include_directories("${INCLUDE_PATH}")
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set(GIT_VERSION_FILE ${CMAKE_SOURCE_DIR}/include/version.h)
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set(GIT_VERSION_TMP_FILE ${CMAKE_SOURCE_DIR}/include/verison.h.tmp)
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#require python on windows
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#i know this program can't be built on windows, but i wanted to figure out how to do this
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if(WIN32)
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find_package(PythonInterp 3 REQUIRED)
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else()
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find_package(PythonInterp 3 QUIET)
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endif()
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if(PYTHONINTERP_FOUND)
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add_custom_command(
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OUTPUT ${GIT_VERSION_TMP_FILE}
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COMMAND ${CMAKE_COMMAND} -E echo "//File generated by CMake. Do not edit!" > ${GIT_VERSION_TMP_FILE}
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COMMAND ${CMAKE_COMMAND} -E echo "#define GIT_TAG_NAME \"v1.5.1\"" > ${GIT_VERSION_TMP_FILE}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${GIT_VERSION_TMP_FILE} ${GIT_VERSION_FILE}
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COMMAND ${CMAKE_COMMAND} -E remove ${GIT_VERSION_TMP_FILE}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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COMMENT "Regenerating version.h"
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VERBATIM
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)
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elseif(UNIX)
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add_custom_command(
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OUTPUT ${GIT_VERSION_TMP_FILE}
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COMMAND ${CMAKE_COMMAND} -E echo "//File generated by CMake. Do not edit!" > ${GIT_VERSION_TMP_FILE}
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COMMAND ${CMAKE_COMMAND} -E echo "#define GIT_TAG_NAME \"v1.5.1\"" > ${GIT_VERSION_TMP_FILE}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${GIT_VERSION_TMP_FILE} ${GIT_VERSION_FILE}
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COMMAND ${CMAKE_COMMAND} -E remove ${GIT_VERSION_TMP_FILE}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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COMMENT "Regenerating version.h"
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VERBATIM
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)
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endif()
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#setup cmake options
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option(BUILD_REXLEDCTL "Build led control program" ON)
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option(BUILD_REXBACKLIGHT "Build backlight control program" ON)
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option(ENABLE_RESTORE_FILE "Enable backlight restoration from generated save file" ON)
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option(XBACKLIGHT_COMPAT "Use xbacklight style options (eg -get -inc -dec)" OFF)
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CMAKE_DEPENDENT_OPTION(INSTALL_UDEV_LED_RULE "Install the udev rule to allow users of video group to control led devices" ON
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"BUILD_REXLEDCTL" OFF)
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CMAKE_DEPENDENT_OPTION(INSTALL_UDEV_BACKLIGHT_RULE "Install the udev rule to allow users of video group to control backlight devices" ON
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"BUILD_REXBACKLIGHT" OFF)
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set(UDEV_DIR "/etc/udev/rules.d" CACHE STRING "Set the output directory for udev rules")
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mark_as_advanced(UDEV_DIR)
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if(XBACKLIGHT_COMPAT)
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add_definitions("-DXBACKLIGHT_COMPAT_OPTIONS")
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endif()
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#locate rjp library requirements
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if(ENABLE_RESTORE_FILE)
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find_package(PkgConfig REQUIRED)
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pkg_check_modules(RJP REQUIRED rjp)
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#temporary library (no actual library generated)
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add_library(common_srcs OBJECT src/cmd.c src/common.c src/restore.c)
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add_definitions("-DENABLE_RESTORE_FILE")
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else()
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add_library(common_srcs OBJECT src/cmd.c src/common.c)
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endif()
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target_sources(common_srcs PUBLIC ${GIT_VERSION_TMP_FILE})
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DREXBACKLIGHT_DEBUG")
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#build led control program
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if(BUILD_REXLEDCTL)
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add_executable (rexledctl src/rexbacklight.c)
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add_dependencies(rexledctl common_srcs) #force common_srcs to be built first
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target_compile_definitions(rexledctl PRIVATE REXLEDCTL) #define REXLEDCTL in C files
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target_link_libraries(rexledctl PRIVATE $<TARGET_OBJECTS:common_srcs>) #link with the common_srcs "library"
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if(ENABLE_RESTORE_FILE)
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target_link_libraries(rexledctl PRIVATE "${RJP_LIBRARIES}") #link with rjp
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target_include_directories(rexledctl PUBLIC "${RJP_INCLUDE_DIRS}") #include rjp.h directory
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target_compile_options(rexledctl PUBLIC ${RJP_CFLAGS_OTHER})
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endif()
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install(TARGETS rexledctl RUNTIME DESTINATION bin)
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if(INSTALL_UDEV_LED_RULE)
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install(FILES ${CMAKE_SOURCE_DIR}/rules/91-leds.rules DESTINATION ${UDEV_DIR})
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endif()
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endif()
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#build backlight control program
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if(BUILD_REXBACKLIGHT)
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add_executable (rexbacklight src/rexbacklight.c)
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add_dependencies(rexbacklight common_srcs)
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target_compile_definitions(rexbacklight PRIVATE REXBACKLIGHT)
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target_link_libraries(rexbacklight PRIVATE $<TARGET_OBJECTS:common_srcs>)
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if(ENABLE_RESTORE_FILE)
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target_link_libraries(rexbacklight PRIVATE "${RJP_LIBRARIES}")
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target_include_directories(rexbacklight PUBLIC "${RJP_INCLUDE_DIRS}")
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target_compile_options(rexbacklight PUBLIC ${RJP_CFLAGS_OTHER})
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endif()
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install(TARGETS rexbacklight RUNTIME DESTINATION bin)
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if(INSTALL_UDEV_BACKLIGHT_RULE)
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install(FILES ${CMAKE_SOURCE_DIR}/rules/91-backlight.rules DESTINATION ${UDEV_DIR})
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endif()
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endif()
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#uninstall target
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add_custom_target(uninstall cat install_manifest.txt | xargs rm)
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